Update README to include link to the sonata-project.org website
Update README to include link to the sonata-project.org website

grimpows/SonataPageBundle,Dunduro/SonataPageBundle,Th3Mouk/SonataPageBundle,Th3Mouk/SonataPageBundle,grimpows/SonataPageBundle,grimpows/SonataPageBundle,Dunduro/SonataPageBundle,grimpows/SonataPageBundle,sonata-project/SonataPageBundle,Th3Mouk/SonataPageBundle,Aylarius/SonataPageBundle,Aylarius/SonataPageBundle,Th3Mouk/SonataPageBundle,Aylarius/SonataPageBundle,grimpows/SonataPageBundle,Dunduro/SonataPageBundle,Aylarius/SonataPageBundle,Dunduro/SonataPageBundle,Dunduro/SonataPageBundle,sonata-project/SonataPageBundle,Aylarius/SonataPageBundle